Mobile device case



FIG. 1 is a back view of a mobile device case showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a perspective back view thereof;

FIG. 4 is a perspective front view thereof;

FIG. 5 is an enlarged top view thereof;

FIG. 6 is an enlarged bottom view thereof; and,

FIG. 7 is a side view thereof.

The broken lines indicate unclaimed portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a mobile device case, as shown and described. 